Abstract: The present invention relates to electrode slurry coating apparatus and method, the present invention ultimately allowing the process efficiency to be increased and rate of errors to be reduced when double-layer structured active material layers are formed by temporally adjusting the height of first and second discharge outlets through which active material is discharged.

Abstract: An apparatus of tilting a seat cushion of a vehicle, includes a tilting motor, a pinion gear, a sector gear, and a tilting link which perform the tilting operation of the seat cushion and exert a binding force in a tilted state of the seat cushion and are provided to be connected to both of one side and the other side of a seat cushion frame, and has two sector gears positioned on left and right sides and connected to each other by a connection bar so that, by strengthening a binding force of the front portion of the seat cushion, it is possible to secure the safety of passengers in the event of a collision.

Abstract: An application processing method for providing a group video call and a terminal for performing a group video call are disclosed. The application processing method of providing a group video call may include executing a group video call comprising a plurality of participants, based on a number of the participants, displaying views corresponding to the participants by pagination, based on a predetermined action of a first participant whose view is not displayed on a predetermined page of a plurality of pages generated by the pagination, selecting one of participants whose view is displayed on the predetermined page as a second participant, and displaying the views by swapping a position of the view corresponding to the selected second participant and a position of the view corresponding to the first participant.

Abstract: Quantum dots and a composite and a display device including the quantum dots. The quantum dots comprise a semiconductor nanocrystal core comprising indium and phosphorous, and optionally zinc, a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell comprising zinc, selenium, and sulfur, wherein the quantum dots are configured to exhibit a maximum photoluminescence peak in a green light wavelength region, and in an ultraviolet-visible (UV-Vis) absorption spectrum of the quantum dots, a ratio A450/Afirst, of an absorption value at 450 nm to an absorption value at a first excitation peak is greater than or equal to about 0.7, and a valley depth (VD) defined by the following equation is greater than or equal to about 0.

Abstract: A nanocrystal including a core including a Group III element and a Group V element, and a monolayer shell on the surface of the core, the shell including a compound of the formula ZnSexS(1-x), wherein 0?x?1, and wherein an average mole ratio of Se:S in the monolayer shell ranges from about 2:1 to about 20:1.

Abstract: An application processing method for providing a group video call and a terminal for performing a group video call are disclosed. The application processing method of providing a group video call may include executing a group video call comprising a plurality of participants, based on a number of the participants, displaying views corresponding to the participants by pagination, based on a predetermined action of a first participant whose view is not displayed on a predetermined page of a plurality of pages generated by the pagination, selecting one of participants whose view is displayed on the predetermined page as a second participant, and displaying the views by swapping a position of the view corresponding to the selected second participant and a position of the view corresponding to the first participant.

Abstract: Quantum dots and a composite and a display device including the quantum dots. The quantum dots comprise a semiconductor nanocrystal core comprising indium and phosphorous, and optionally zinc, a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell comprising zinc, selenium, and sulfur, wherein the quantum dots are configured to exhibit a maximum photoluminescence peak in a green light wavelength region, and in an ultraviolet-visible (UV-Vis) absorption spectrum of the quantum dots, a ratio A450/Afirst, of an absorption value at 450 nm to an absorption value at a first excitation peak is greater than or equal to about 0.7, and a valley depth (VD) defined by the following equation is greater than or equal to about 0.

Abstract: An application processing method for providing a group video call and a terminal for performing a group video call are disclosed. The application processing method of providing a group video call may include executing a group video call comprising a plurality of participants, based on a number of the participants, displaying views corresponding to the participants by pagination, based on a predetermined action of a first participant whose view is not displayed on a predetermined page of a plurality of pages generated by the pagination, selecting one of participants whose view is displayed on the predetermined page as a second participant, and displaying the views by swapping a position of the view corresponding to the selected second participant and a position of the view corresponding to the first participant.

Abstract: A quantum dot, and a composite and a display device including the quantum dot. The quantum dot comprises a semiconductor nanocrystal core comprising indium and phosphorous, a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell comprising zinc, selenium, and sulfur, wherein the quantum dot does not comprise cadmium wherein the quantum dot has a maximum photoluminescence peak in a green light wavelength region, and wherein in an ultraviolet-visible (UV-Vis) absorption spectrum of the quantum dot, a ratio A450/Afirst, of an absorption value at 450 nm to an absorption value at a first excitation peak is greater than or equal to about 0.7, and a valley depth (VD) defined by the following equation is greater than or equal to about 0.

Abstract: The present invention relates to a magnetic resonance imaging (MRI) contrast agent, particularly an MRI contrast agent derived from nanoparticle that is porous first metal-doped second metal oxide nanoparticle with a central cavity, and a method for producing the same. The MEI contrast agent made in accordance with the present invention can be used not only as a drug-delivery agent for therapy but also as an MRI contrast agent for diagnosis.

Abstract: The present invention relates to a magnetic resonance imaging (MRI) contrast agent, particularly a metal oxide nanoparticle-based T1-T2 dual-mode MRI contrast agent that can be used not only as a T1 MRI contrast agent but also as a T2 MRI contrast agent, and a method for producing the same. The metal oxide nanoparticle-based T1-T2 dual-mode MRI contrast agent can provide more accurate and detailed information associated with disease than single MRI contrast agent by the beneficial contrast effects in both T1 imaging with high tissue resolution and T2 imaging with high feasibility on detection of a lesion.

Abstract: A quantum dot including a seed including a first semiconductor nanocrystal including a first Group II-VI compound, a quantum well surrounding the seed, the quantum well including a second semiconductor nanocrystal including a Group IIIA metal except aluminum and a Group V element, and a shell disposed on the quantum well, the shell including a third semiconductor nanocrystal including a second Group II-VI compound, wherein the quantum dot does not include cadmium, an energy bandgap of the second semiconductor nanocrystal is smaller than an energy bandgap of the first semiconductor nanocrystal and an energy bandgap of the third semiconductor nanocrystal, and an ultraviolet-visible (UV-Vis) absorption spectrum curve of the quantum dot does not have an inflection point within a wavelength range of about 450 nanometers (nm) to about 600 nm, and a quantum dot composite and a device including the same.

Abstract: A nanocrystal including a core including a Group III element and a Group V element, and a monolayer shell on the surface of the core, the shell including a compound of the formula ZnSexS(1-x), wherein 0?x?1, and wherein an average mole ratio of Se:S in the monolayer shell ranges from about 2:1 to about 20:1.

Abstract: A nanocrystal including a core including a Group III element and a Group V element, and a monolayer shell on the surface of the core, the shell including a compound of the formula ZnSexS(1-x), wherein 0?x?1, and wherein an average mole ratio of Se:S in the monolayer shell ranges from about 2:1 to about 20:1.

Abstract: The present invention relates to a magnetic resonance imaging (MRI) contrast agent, particularly an MRI contrast agent derived from nanoparticle that is porous first metal-doped second metal oxide nanoparticle with a central cavity, and a method for producing the same. The MEI contrast agent made in accordance with the present invention can be used not only as a drug-delivery agent for therapy but also as an MRI contrast agent for diagnosis.

Abstract: The present invention relates to a magnetic resonance imaging (MRI) contrast agent, particularly a metal oxide nanoparticle-based T1-T2 dual-mode MRI contrast agent that can be used not only as a T1 MRI contrast agent but also as a T2 MRI contrast agent, and a method for producing the same. The metal oxide nanoparticle-based T1-T2 dual-mode MRI contrast agent can provide more accurate and detailed information associated with disease than single MRI contrast agent by the beneficial contrast effects in both T1 imaging with high tissue resolution and T2 imaging with high feasibility on detection of a lesion.

Abstract: A quantum dot, and a composite and a display device including the quantum dot. The quantum dot comprises a semiconductor nanocrystal core comprising indium and phosphorous, a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell comprising zinc, selenium, and sulfur, wherein the quantum dot does not comprise cadmium wherein the quantum dot has a maximum photoluminescence peak in a green light wavelength region, and wherein in an ultraviolet-visible (UV-Vis) absorption spectrum of the quantum dot, a ratio A450/Afirst, of an absorption value at 450 nm to an absorption value at a first excitation peak is greater than or equal to about 0,7, and a valley depth (VD) defined by the following equation is greater than or equal to about 0.

Abstract: A quantum dot including a seed including a first semiconductor nanocrystal including a first Group II-VI compound, a quantum well surrounding the seed, the quantum well including a second semiconductor nanocrystal including a Group IIIA metal except aluminum and a Group V element, and a shell disposed on the quantum well, the shell including a third semiconductor nanocrystal including a second Group II-VI compound, wherein the quantum dot does not include cadmium, an energy bandgap of the second semiconductor nanocrystal is smaller than an energy bandgap of the first semiconductor nanocrystal and an energy bandgap of the third semiconductor nanocrystal, and an ultraviolet-visible (UV-Vis) absorption spectrum curve of the quantum dot does not have an inflection point within a wavelength range of about 450 nanometers (nm) to about 600 nm, and a quantum dot composite and a device including the same.

Abstract: A nanocrystal including a core including a Group III element and a Group V element, and a monolayer shell on the surface of the core, the shell including a compound of the formula ZnSexS(1-x), wherein 0?x?1, and wherein an average mole ratio of Se:S in the monolayer shell ranges from about 2:1 to about 20:1.

Abstract: A nanocrystal including a core including a Group III element and a Group V element, and a monolayer shell on the surface of the core, the shell including a compound of the formula ZnSexS(1-x), wherein 0?x?1, and wherein an average mole ratio of Se:S in the monolayer shell ranges from about 2:1 to about 20:1.